CVE-2020-8962: dlink dir-842_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 13-02-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-8962 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in dlink dir-842_firmware. EPSS estimates a 1.80% chance of exploitation in the next 30 days, higher than 78.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.80%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 13-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A stack-based buffer overflow was found on the D-Link DIR-842 REVC with firmware v3.13B09 HOTFIX due to the use of strcpy for LOGINPASSWORD when handling a POST request to the /MTFWU endpoint.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.80%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.80% on 20-09-2026
20-09-202620-10-2026
EPSS score1.80%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (ctrsec.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-842_firmware3.13b09
1 vendor · 1 product
References
1 links- ctrsec.io/index.php/2020/02/12/cve-2020-8962-d-link-dir-842-stack-based-buffer-overflow/X Refsource MISCExploitThird Party Advisory